How can I change color and font size in plotconfusion figures?

Malik - 2020-11-27T12:20:55+00:00

Question: How can I change color and font size in plotconfusion figures?

I want to  change the color of the fields of the confusion matrix and also to change the font size of the entries in the fields. I know I can do it in the plot editor, but I prefer to do it automatically perhaps with set and get? I couldn't find anything in google on that topic. Just a little example:   a=[1 1 0 1 0 0 1 0 1 0 1 1 0 0 1 0 0 0 1 0]; b=[1 0 1 1 0 1 1 0 1 0 1 0 0 0 1 1 0 0 1 0]; figure(1) plotconfusion(a,b)

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Expert Answer

Kshitij Singh answered . 2025-11-20

%defining my colors
f1=[0 0 139]/255;
f4=[50 205 50]/255;
f9=[236 0 0]/255;
f14=[85 26 139]/255;

%example
a=[1 1 0 1 0 0 1 0 1 0 1 1 0 0 1 0 0 0 1 0];
b=[1 0 1 1 0 1 1 0 1 0 1 0 0 0 1 1 0 0 1 0];

figure(1)
plotconfusion(a,b)

%fontsize
set(findobj(gca,'type','text'),'fontsize',20) 

%colors          
set(findobj(gca,'color',[0,102,0]./255),'color',f4)
set(findobj(gca,'color',[102,0,0]./255),'color',f9)
set(findobj(gcf,'facecolor',[120,230,180]./255),'facecolor',f4)
set(findobj(gcf,'facecolor',[230,140,140]./255),'facecolor',f9)
set(findobj(gcf,'facecolor',[0.5,0.5,0.5]),'facecolor',f1)
set(findobj(gcf,'facecolor',[120,150,230]./255),'facecolor',f14)

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